chore: update release permissions

Signed-off-by: Todd Baert <todd.baert@dynatrace.com>
Signed-off-by: Weihan Li <weihanli@outlook.com>

Author: toddbaert

.github/workflows/release.yml

@@ -6,7 +6,8 @@ on:
       - main
 
 permissions:
-  contents: read
+  contents: write
+  pull-requests: write
 
 jobs:
   release-please: